Merge tag 'mediatek-drm-next-6.11' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next

Mediatek DRM Next for Linux 6.11

1. Convert to platform remove callback returning void
2. Drop chain_mode_fixup call in mode_valid()
3. Fixes the errors of MediaTek display driver found by IGT.
4. Add display support for the MT8365-EVK board
5. Fix bit depth overwritten for mtk_ovl_set bit_depth()
6. Remove less-than-zero comparison of an unsigned value
7. Call drm_atomic_helper_shutdown() at shutdown time
8. Log errors in probe with dev_err_probe()
9. Fix possible_crtcs calculation
10. Fix spurious kfree()

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240628134632.28672-1-chunkuang.hu@kernel.org

Author: danvet

Documentation/devicetree/bindings/display/mediatek/mediatek,aal.yaml

@@ -36,6 +36,7 @@ properties:
               - mediatek,mt8188-disp-aal
               - mediatek,mt8192-disp-aal
               - mediatek,mt8195-disp-aal
+              - mediatek,mt8365-disp-aal
           - const: mediatek,mt8183-disp-aal
 
   reg:

Documentation/devicetree/bindings/display/mediatek/mediatek,ccorr.yaml

@@ -24,6 +24,9 @@ properties:
       - enum:
           - mediatek,mt8183-disp-ccorr
           - mediatek,mt8192-disp-ccorr
+      - items:
+          - const: mediatek,mt8365-disp-ccorr
+          - const: mediatek,mt8183-disp-ccorr
       - items:
           - enum:
               - mediatek,mt8186-disp-ccorr

Documentation/devicetree/bindings/display/mediatek/mediatek,color.yaml

@@ -40,6 +40,7 @@ properties:
               - mediatek,mt8188-disp-color
               - mediatek,mt8192-disp-color
               - mediatek,mt8195-disp-color
+              - mediatek,mt8365-disp-color
           - const: mediatek,mt8173-disp-color
   reg:
     maxItems: 1

Documentation/devicetree/bindings/display/mediatek/mediatek,dither.yaml

@@ -30,6 +30,7 @@ properties:
               - mediatek,mt8188-disp-dither
               - mediatek,mt8192-disp-dither
               - mediatek,mt8195-disp-dither
+              - mediatek,mt8365-disp-dither
           - const: mediatek,mt8183-disp-dither
 
   reg:

Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml

@@ -31,6 +31,10 @@ properties:
           - enum:
               - mediatek,mt6795-dpi
           - const: mediatek,mt8183-dpi
+      - items:
+          - enum:
+              - mediatek,mt8365-dpi
+          - const: mediatek,mt8192-dpi
 
   reg:
     maxItems: 1

Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml

@@ -37,6 +37,7 @@ properties:
       - items:
           - enum:
               - mediatek,mt8195-dsi
+              - mediatek,mt8365-dsi
           - const: mediatek,mt8183-dsi
 
   reg:

Documentation/devicetree/bindings/display/mediatek/mediatek,gamma.yaml

@@ -35,6 +35,7 @@ properties:
               - mediatek,mt8188-disp-gamma
               - mediatek,mt8192-disp-gamma
               - mediatek,mt8195-disp-gamma
+              - mediatek,mt8365-disp-gamma
           - const: mediatek,mt8183-disp-gamma
       - items:
           - enum:

Documentation/devicetree/bindings/display/mediatek/mediatek,ovl.yaml

@@ -44,6 +44,7 @@ properties:
       - items:
           - enum:
               - mediatek,mt8186-disp-ovl
+              - mediatek,mt8365-disp-ovl
           - const: mediatek,mt8192-disp-ovl
 
   reg:

Documentation/devicetree/bindings/display/mediatek/mediatek,rdma.yaml

@@ -45,6 +45,7 @@ properties:
           - enum:
               - mediatek,mt8186-disp-rdma
               - mediatek,mt8192-disp-rdma
+              - mediatek,mt8365-disp-rdma
           - const: mediatek,mt8183-disp-rdma
 
   reg:

drivers/gpu/drm/mediatek/mtk_cec.c

@@ -195,18 +195,14 @@ static int mtk_cec_probe(struct platform_device *pdev)
 	spin_lock_init(&cec->lock);
 
 	cec->regs = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(cec->regs)) {
-		ret = PTR_ERR(cec->regs);
-		dev_err(dev, "Failed to ioremap cec: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(cec->regs))
+		return dev_err_probe(dev, PTR_ERR(cec->regs),
+				     "Failed to ioremap cec\n");
 
 	cec->clk = devm_clk_get(dev, NULL);
-	if (IS_ERR(cec->clk)) {
-		ret = PTR_ERR(cec->clk);
-		dev_err(dev, "Failed to get cec clock: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(cec->clk))
+		return dev_err_probe(dev, PTR_ERR(cec->clk),
+				     "Failed to get cec clock\n");
 
 	cec->irq = platform_get_irq(pdev, 0);
 	if (cec->irq < 0)
@@ -216,16 +212,12 @@ static int mtk_cec_probe(struct platform_device *pdev)
 					mtk_cec_htplg_isr_thread,
 					IRQF_SHARED | IRQF_TRIGGER_LOW |
 					IRQF_ONESHOT, "hdmi hpd", dev);
-	if (ret) {
-		dev_err(dev, "Failed to register cec irq: %d\n", ret);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to register cec irq\n");
 
 	ret = clk_prepare_enable(cec->clk);
-	if (ret) {
-		dev_err(dev, "Failed to enable cec clock: %d\n", ret);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to enable cec clock\n");
 
 	mtk_cec_htplg_irq_init(cec);
 	mtk_cec_htplg_irq_enable(cec);